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Finding the Fourth Proportional to 323,497.54, 446,420.62 and 176,323.67

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Solution

The fourth proportional to 323,497.54, 446,420.62 and 176,323.67 is: 243,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,497.54 : 446,420.62 = 176,323.67 : x
  2. Step 2: Convert to fraction form
    323,497.54/446,420.62 = 176,323.67/x
  3. Step 3: Cross multiply
    323,497.54x = 446,420.62 × 176,323.67
  4. Step 4: Simplify right side
    323,497.54x = 78,714,520,290.78
  5. Step 5: Solve for x
    x = 78,714,520,290.78/323,497.54
  6. Step 6: Final answer
    x = 243,323.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.